Fill in the blanks by choosing the appropriate word/words from those given in the brackets: (double salts, complex compounds, uni, bi, six, four, three, coordination, linkage, imperfect, perfect, normal, penetrating, central ion, chelating, Werner, Pauling)
Valence bond theory for bonding in complexes was given by.........

Explanation

To solve the question, we need to fill in the blank with the appropriate word from the options provided. The sentence is:

"Valence bond theory for bonding in complexes was given by ______."

1. **Identify the correct term**: The question asks for the name of the scientist who proposed the valence bond theory for bonding in coordination compounds. From the options provided, the correct answer is "Pauling".

2. **Complete the sentence**: By inserting the correct term into the blank, the completed sentence reads:
"Valence bond theory for bonding in complexes was given by Pauling."
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